Soff J, Benz SR, Kowalski C, Hansinger J, Gerken M, Witzmann J, Reinacher-Schick A, Pox CP, Kleihues-van Tol, K, Franke B, Schoffer O, Schmitt J, Klinkhammer-Schalke M, Völkel V (2025) Heterogeneity of treatment preferences in the absence of guideline recommendations – a case vignette study in colorectal cancer tumor boards in Germany, Austria and Switzerland BMC Gastroenterology. doi:10.1186/s12876-025-04183-5

Schellack SK, Koko C, Soff J, Breidenbach C, Kowalski C (2025) Return-to-work regulations for cancer survivors in Europe — A structured expert-description approach Journal of Cancer Policy (45). doi:10.1016/j.jcpo.2025.100623

Breidenbach C, Hiltrop K, Ernstmann N, Heidkamp P, Bruns G, Degenhardt M, Heier L, Schellack S, Soff J, Kowalski C. (2025) Psychosocial burden and sociodemographic characteristics of cancer survivors seeking support for work-related issues in outpatient cancer counselling centres. Social Work in Health Care 64, 1-17. doi:10.1080/00981389.2025.2451831

Breidenbach C, Schneider S, Rösler M, Ernstmann N, Heidkamp P, Heier L, Hiltrop K, Schellack S, Soff J, Weiss J, Kowalski C. (2024) Developing an instrument to measure the quality of social work cancer counseling regarding return to work — psychometric properties of the German Quality of Cancer Counseling Questionnaire-Return to Work (QCCQ-W). Journal of Cancer Research and Clinical Oncology (151), 7. doi:10.1007/s00432-024-06040-6

Breidenbach C, Heidkamp P, Hiltrop K, Heier L, Weiß J, Rösler M, Schneider S, Schellack S, Soff J, Kowalski C, Ernstmann, N (2024) Berufsbezogene Beratung im Rahmen der Cancer-Rehabilitation-Support-by-Cancer-Counseling-Centers(CARES)-Studie. Vorläufige Ergebnisse einer Machbarkeitsstudie Die Onkologie (10). doi:10.1007/s00761-024-01565-4